Set up my WAN

I've been having a play and worked out (no - it was obvious and needed no working out!) that if I set the WAN in pfSense to DHCP and my incoming signal through a modem router that had DHCP server capabilities then it would all work - and it did!

Trouble is, life is a bit more complex!! It is not a simple incoming service. It has multiple incoming IP addresses, most of which will be assigned as dedicated public IP addresses to some of the vLans (but some will share an address).

The data I have is below, I'm just not sure exactly where/how I enter it!! HELP - PLEASE!!!